-<?
+<?php
/**
** date.php
**
** Takes a date and parses it into a usable format. The form that a
** date SHOULD arrive in is:
** <Tue,> 29 Jun 1999 09:52:11 -0500 (EDT)
- ** (as specified in RFC 822) -- "Tue" is optional
+ ** (as specified in RFC 822) -- 'Tue' is optional
**
+ ** $Id$
**/
- function getHour($hour) {
- $time = explode(":", $hour);
- return $time[0];
+ if (defined ('date_php'))
+ return;
+ define ('date_php', true);
+
+ // corrects a time stamp to be the local time
+ function getGMTSeconds($stamp, $gmt) {
+ global $invert_time;
+ if (($gmt == 'Pacific') || ($gmt == 'PST'))
+ $gmt = '-0800';
+ else if (($gmt == 'EDT'))
+ $gmt = '-0400';
+ else if (($gmt == 'Eastern') || ($gmt == 'EST') || ($gmt == 'CDT'))
+ $gmt = '-0500';
+ else if (($gmt == 'Central') || ($gmt == 'CST') || ($gmt == 'MDT'))
+ $gmt = '-0600';
+ else if (($gmt == 'Mountain') || ($gmt == 'MST') || ($gmt == 'PDT'))
+ $gmt = '-0700';
+ else if ($gmt == 'BST')
+ $gmt = '+0100';
+ else if ($gmt == 'EET')
+ $gmt = '+0200';
+ else if ($gmt == 'GMT')
+ $gmt = '+0000';
+ else if ($gmt == 'HKT')
+ $gmt = '+0800';
+ else if ($gmt == 'IST')
+ $gmt = '+0200';
+ else if ($gmt == 'JST')
+ $gmt = '+0900';
+ else if ($gmt == 'KST')
+ $gmt = "+0900";
+ else if ($gmt == 'MET')
+ $gmt = '+0100';
+ else if ($gmt == 'MET DST' || $gmt == 'METDST')
+ $gmt = '+0200';
+
+ if (substr($gmt, 0, 1) == '-') {
+ $neg = true;
+ $gmt = substr($gmt, 1, strlen($gmt));
+ } else if (substr($gmt, 0, 1) == '+') {
+ $neg = false;
+ $gmt = substr($gmt, 1, strlen($gmt));
+ } else
+ $neg = false;
+
+ $gmt = substr($gmt, 0, 2);
+ $gmt = $gmt * 3600;
+ if ($neg == true)
+ $gmt = "-$gmt";
+ else
+ $gmt = "+$gmt";
+
+ /** now find what the server is at **/
+ $current = date('Z', time());
+ if ($invert_time)
+ $current = - $current;
+ $stamp = (int)$stamp - (int)$gmt + (int)$current;
+
+ return $stamp;
}
- function getMinute($min) {
- $time = explode(":", $min);
- return $time[1];
+ function getLongDateString($stamp) {
+ return date('D, F j, Y g:i a', $stamp);
}
- function getSecond($sec) {
- $time = explode(":", $sec);
- return $time[2];
- }
-
- function getMonthNum($month) {
- if (eregi("jan|january", $month, $tmp))
- $date = "01";
- else if (eregi("feb|february|febuary", $month, $tmp))
- $date = "02";
- else if (eregi("mar|march", $month, $tmp))
- $date = "03";
- else if (eregi("apr|april", $month, $tmp))
- $date = "04";
- else if (eregi("may", $month, $tmp))
- $date = "05";
- else if (eregi("jun|june", $month, $tmp))
- $date = "06";
- else if (eregi("jul|july", $month, $tmp))
- $date = "07";
- else if (eregi("aug|august", $month, $tmp))
- $date = "08";
- else if (eregi("sep|sept|september", $month, $tmp))
- $date = "09";
- else if (eregi("oct|october", $month, $tmp))
- $date = "10";
- else if (eregi("nov|november", $month, $tmp))
- $date = "11";
- else if (eregi("dec|december", $month, $tmp))
- $date = "12";
-
- return $date;
- }
-
- function getDayOfWeek($day) {
- $date = "{WEEKDAY}";
-
- if (eregi("(mon|monday)", $day, $tmp))
- $date = "Mon";
- else if (eregi("(tue|tuesday)", $day, $tmp))
- $date = "Tue";
- else if (eregi("(wed|wednesday)", $day, $tmp))
- $date = "Wed";
- else if (eregi("(thurs|thu|thursday)", $day, $tmp))
- $date = "Thu";
- else if (eregi("(fri|friday)", $day, $tmp))
- $date = "Fri";
- else if (eregi("(sat|saturday)", $day, $tmp))
- $date = "Sat";
- else if (eregi("(sun|sunday)", $day, $tmp))
- $date = "Sun";
-
- return $date;
- }
-
- function getDayOfMonth($day) {
- return ereg_replace("^0", "", $day); /* remove a preceeding 0 */
- }
-
- function getMonth($month) {
- $date = "{MONTH}";
- if (eregi("jan|january", $month, $tmp))
- $date = "Jan";
- else if (eregi("feb|february|febuary", $month, $tmp))
- $date = "Feb";
- else if (eregi("mar|march", $month, $tmp))
- $date = "Mar";
- else if (eregi("apr|april", $month, $tmp))
- $date = "Apr";
- else if (eregi("may", $month, $tmp))
- $date = "May";
- else if (eregi("jun|june", $month, $tmp))
- $date = "Jun";
- else if (eregi("jul|july", $month, $tmp))
- $date = "Jul";
- else if (eregi("aug|august", $month, $tmp))
- $date = "Aug";
- else if (eregi("sep|sept|september", $month, $tmp))
- $date = "Sep";
- else if (eregi("oct|october", $month, $tmp))
- $date = "Oct";
- else if (eregi("nov|november", $month, $tmp))
- $date = "Nov";
- else if (eregi("dec|december", $month, $tmp))
- $date = "Dec";
-
- return $date;
- }
-
- function getYear($year) {
- return $year;
+ function getDateString($stamp) {
+ global $invert_time;
+ $now = time();
+ $dateZ = date('Z', $now);
+ if ($invert_time)
+ $dateZ = - $dateZ;
+ $midnight = $now - ($now % 86400) - $dateZ;
+
+ if ($midnight < $stamp) {
+ // Today
+ return date('g:i a', $stamp);
+ } else if ($midnight - (60 * 60 * 24 * 6) < $stamp) {
+ // This week
+ return date('D, g:i a', $stamp);
+ } else {
+ // before this week
+ return date('M j, Y', $stamp);
+ }
}
- function getDateString($dateParts) {
+ function getTimeStamp($dateParts) {
/** $dateParts[0] == <day of week> Mon, Tue, Wed
** $dateParts[1] == <day of month> 23
** $dateParts[2] == <month> Jan, Feb, Mar
** and everything would be bumped up one.
**/
- /* if the first part is a day */
- if (eregi("mon|tue|wed|thu|fri|sat|sun", trim($dateParts[0]), $tmp)) {
- $dateParts[0] = getDayOfWeek(trim($dateParts[0]));
- $dateParts[1] = getDayOfMonth(trim($dateParts[1]));
- $dateParts[2] = getMonth(trim($dateParts[2]));
- $dateParts[3] = getYear(trim($dateParts[3]));
- return "$dateParts[2] $dateParts[1], $dateParts[3]";
- }
- $dateParts[0] = getDayOfMonth(trim($dateParts[0]));
- $dateParts[1] = getMonth(trim($dateParts[1]));
- $dateParts[2] = getYear(trim($dateParts[2]));
- return "$dateParts[1] $dateParts[0], $dateParts[2]";
- }
-
- function getTimeStamp($dateParts) {
- if (eregi("mon|tue|wed|thu|fri|sat|sun", $dateParts[0], $tmp)) {
- $d[0] = getHour(trim($dateParts[4]));
- $d[1] = getMinute(trim($dateParts[4]));
- $d[2] = getSecond(trim($dateParts[4]));
- $d[3] = getMonthNum(trim($dateParts[2]));
- $d[4] = getDayOfMonth(trim($dateParts[1]));
- $d[5] = getYear(trim($dateParts[3]));
- return mktime($d[0], $d[1], $d[2], $d[3], $d[4], $d[5]);
+ // Simply check to see if the first element in the dateParts
+ // array is an integer or not.
+ // Since the day of week is optional, this check is needed.
+ //
+ // The old code used eregi('mon|tue|wed|thu|fri|sat|sun',
+ // $dateParts[0], $tmp) to find if the first element was the
+ // day of week or day of month. This is an expensive call
+ // (processing time) to have inside a loop. Doing it this way
+ // saves quite a bit of time for large mailboxes.
+ //
+ // It is also quicker to call explode only once rather than
+ // the 3 times it was getting called by calling the functions
+ // getHour, getMinute, and getSecond.
+ //
+ if (! isset($dateParts[1])) $dateParts[1] = '';
+ if (! isset($dateParts[2])) $dateParts[2] = '';
+ if (! isset($dateParts[3])) $dateParts[3] = '';
+ if (! isset($dateParts[4])) $dateParts[4] = '';
+ if (! isset($dateParts[5])) $dateParts[5] = '';
+ if (intval(trim($dateParts[0])) > 0) {
+ $string = $dateParts[0] . ' ' . $dateParts[1] . ' ' .
+ $dateParts[2] . ' ' . $dateParts[3];
+ return getGMTSeconds(strtotime($string), $dateParts[4]);
}
- $d[0] = getHour(trim($dateParts[3]));
- $d[1] = getMinute(trim($dateParts[3]));
- $d[2] = getSecond(trim($dateParts[3]));
- $d[3] = getMonthNum(trim($dateParts[1]));
- $d[4] = getDayOfMonth(trim($dateParts[0]));
- $d[5] = getYear(trim($dateParts[2]));
- return mktime($d[0], $d[1], $d[2], $d[3], $d[4], $d[5]);
+ $string = $dateParts[0] . ' ' . $dateParts[1] . ' ' .
+ $dateParts[2] . ' ' . $dateParts[3] . ' ' . $dateParts[4];
+ if (isset($dateParts[5]))
+ return getGMTSeconds(strtotime($string), $dateParts[5]);
+ else
+ return getGMTSeconds(strtotime($string), '');
}
- function getLongDateString($dateParts) {
- if (eregi("mon|tue|wed|thu|fri|sat|sun", trim($dateParts[0]), $tmp)) {
- $date[0] = getDayOfMonth(trim($dateParts[1]));
- $date[1] = getMonth(trim($dateParts[2]));
- $date[2] = getYear(trim($dateParts[3]));
- $date[3] = getHour(trim($dateParts[4]));
- $date[4] = getMinute(trim($dateParts[4]));
- } else {
- $date[0] = getDayOfMonth(trim($dateParts[0]));
- $date[1] = getMonth(trim($dateParts[1]));
- $date[2] = getYear(trim($dateParts[2]));
- $date[3] = getHour(trim($dateParts[3]));
- $date[4] = getMinute(trim($dateParts[4]));
- }
-
- if ($date[3] >= 12) {
- $date[5] = "p.m.";
- if ($date[3] >= 13)
- $date[3] = $date[3] - 12;
- } else {
- $date[5] = "a.m.";
- if ($date[3] < 1)
- $date[3] = 12;
- }
-
- return "$date[1] $date[0], $date[2] $date[3]:$date[4] $date[5]";
+ // I use this function for profiling. Should never be called in
+ // actual versions of squirrelmail released to public.
+ function getmicrotime() {
+ $mtime = microtime();
+ $mtime = explode(' ',$mtime);
+ $mtime = $mtime[1] + $mtime[0];
+ return ($mtime);
}
?>